The man being sought is described as 5-foot-9 to 6-feet tall and 20-40 years of age. He was wearing a white hard hat, utility belt and dark coveralls and boots. Police believe his left hand may be injured and/or bandaged.

Other details are being withheld during the investigation.

Anyone with information or who's been visited by a similar man should call the SFPD homicide detail at 553-1301, the anonymous tip line at 575-4444, or text-a-tip to TIP411.